Video 1101 quiz

Click on Answer to reveal the answer.

STP is
a. standard temperature and pressure.
b. 0 °C and 1 atm pressure.
c. 0 °C and 101.3 kPa.
d. all of these

Answer

D. all of these

 
Which of these statements about dissolving gases in liquid solvents is true?
a. Increasing the temperature makes gases more soluble.
b. Increasing the pressure increases the solubility of a gas.
c. Stirring increases the solubility of a gas in a liquid solvent.

Answer

B. Increasing the pressure increases the solubility of a gas.

 
Which of the following would be classified as an acid according to the Arrhenius definition?
a. NaCl
b. Ca(OH)2
c. H2CO3
d. BaBr2

Answer

c. H2CO3

 
Which of the following is NOT a characteristic of a base?
a. turns acid-base indicators different colors
b. feels slippery to the touch
c. tastes sour
d. is an electrolyte

Answer

c. tastes sour

 
If you came upon an aqueous solution in the lab which reacted with a strip of magnesium, you could make the hypothesis that the compound in this solution is:
a. an acid.
b. a base.
c. a salt.

Answer

a. an acid.

 
Name the following base—KOH.
a. potassium base
b. hydropotassium base
c. potassium hydroxide
d. hydropotassium hydroxide

Answer

c. potassium hydroxide

 
Name the following acid—H2CO3.
a. hydrocarbonic acid
b. carbonic acid
c. carbonous acid
d. hydrocarbonous acid

Answer

b. carbonic acid

 


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